EG4 WallMount Indoor Battery | 48V 280Ah | 14.3kWh

The EG4 WallMount Indoor 14.3kWh Lithium Battery is built for low-voltage residential indoor energy storage. Featuring safe, high-performance LiFePO₄ cells and an advanced Battery Management System (BMS), it provides reliable, long-lasting power with intelligent monitoring and protection features.

Key Features:

• High-Capacity Storage – 48V, 280Ah, 14.3kWh capacity for residential energy storage.
• Advanced BMS – Real-time monitoring of voltage, current, and temperature with passive balancing for optimized performance.
• LCD Touchscreen – Easy access to system data and selectable closed-loop communication with leading inverter brands (EG4, Schneider, Sol-Ark, Victron, Growatt, Megarevo, Luxpower, Deye).
• Dual On-Board Fire Arrestors – Extra fail-safe protection against thermal runaway.
• Self-Heating Function – Keeps cells operational in cold climates.
• Integrated 600A Busbars – Multiple terminals (4 positive & 4 negative) eliminate the need for external busbars when paralleling.
• Emergency Stop Option – Works with ESS disconnects for rapid system shutdown.
• Seamless Integration – Designed to pair directly with EG4 inverters via the optional conduit box.

Module Operating Parameters:

• Voltage: 51.2V
• Capacity: 280Ah
• Total Energy: 14.3kWh
• Charging Voltage: 56.0V ±0.8V to 56.2V ±0.2V
• Float Voltage: 54V ±0.2V
• Low DC Cutoff: 44.8V (adjustable 45.6V–47V)
• Charge Current: Up to 200A continuous (recommended 60–160A)
• Discharge Current: Up to 200A continuous (recommended 160A)

Environmental Parameters:

• Charging Range: 32°F to 113°F (0°C to 45°C)
• Discharging Range: -4°F to 122°F (-20°C to 50°C)
• Storage Range: -4°F to 122°F (-20°C to 50°C)
• Ingress Protection: IP20

Protection & Safety:

• Overcharge Protection: >205A (10s), >225A (3s)
• Temperature Protection: <23°F / >158°F (1s)
• Cycle Life: 8,000+ cycles at 80% DOD
• Design Life: 15+ years
• Certifications: UL1973, UL9540A (Testing)

General Specifications:

• Weight: 282.2 lbs (128 kg)
• Communication Ports: RS485 / CAN (customizable)
• Warranty: 10-Year Limited Warranty

Spec Sheet